Draeger Tube, Mercaptan 0.1/A 0.1-15ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #8103281
Details
Draeger Tube - Mercaptan 0.1/a
Order No. 81 03 281
| Application Range | |
| Standard Measuring Range | 0.1 to 2.5 ppm / 3 to 15 ppm |
| Number of Strokes n: | 10 |
| Time for Measurement: | approx. 3 minutes / approx. 40 seconds |
| Standard Deviation: | ± 10 to 15% |
| Color Change: | yellow to red |
| Ambient Operating Conditions | |
| Temperature: | 5 to 40° C ~ 41 to 104° F |
| Absolute Humidity: | 2 to 40 mg H2O / L |
| Reaction Principle | |
| 2 R-SH + Hg CI2 Hg(CH3S)2 + 2 HCI HCI + pH-indicator reddish reaction product |
|
| Cross Sensitivity | |
| Propyl mercaptan and n-butyl-mercaptan are indicated, but with different sensitivities. 4 ppm ethylene, 30 ppm CO, 10 ppm tetrahydrothiophene and 100 ppm hydrogen sulfide do not affect the indication. Hydrogen sulfide changes the pre-layer to black. | |
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